Cocktail shaker



FIG. 1 is a front perspective view showing my new design consisting of a body, neck and head, with the neck and head shown in a first position;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view;

FIG. 5 is a right-side view;

FIG. 6 is a top view;

FIG. 7 is a bottom view;

FIG. 8 is a front perspective view showing my new design with the neck and head in a second position

FIG. 9 is a front view of FIG. 8;

FIG. 10 is a rear view of FIG. 8;

FIG. 11 is a left-side view of FIG. 8;

FIG. 12 is a right-side view of FIG. 8;

FIG. 13 is a top view of FIG. 8; and,

FIG. 14 is a bottom view of FIG. 8. 

CLAIM The ornamental design for a cocktail shaker, as shown and described. 